One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(4,11)(8,10)(12,16)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,30)(31,32)(33,34,40,42)(35,38,39,48)(36,44,37,41)(43,47,45,46)(1,2,6,3)(4,9,11,7)(5,8,13,10)(12,15,16,14)(17,19)(18,20)(21,27)(22,23)(24,28)(25,26)(29,32)(30,31)(33,35,40,39)(34,38,42,48)(36,45,37,43)(41,47,44,46)(17,18)(19,26)(20,23)(21,24)(22,25)(27,32)(28,31)(29,30)(33,36,40,37)(34,41,42,44)(35,43,39,45)(38,46,48,47)(1,3,6,2)(4,7,11,9)(5,8,13,10)(12,15,16,14)(17,18)(19,20)(21,29)(22,25)(23,26)(24,30)(27,32)(28,31)(33,37,40,36)(34,41,42,44)(35,43,39,45)(38,47,48,46)(1,4,6,11)(2,7,3,9)(5,12,13,16)(8,14,10,15)(17,20)(18,23)(19,25)(21,28)(22,26)(24,31)(27,29)(30,32)(33,38)(34,35)(36,46)(37,47)(39,42)(40,48)(41,43)(44,45)(1,5,6,13)(2,8,3,10)(4,12,11,16)(7,14,9,15)(17,21,22,30)(18,24,25,29)(19,27,23,31)(20,28,26,32)(33,39,40,35)(34,38,42,48)(36,45,37,43)(41,46,44,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.